Investigating the effect of LaF3 on the tribological performances of an environment friendly hydrophilic polyamide imide resin bonded solid lubricating coating. (December 2017)

• Record Type: Journal Article
• Authors: Li, Bin; Wan, Hongqi; Ye, Yinping; Chen, Lei; Zhou, Huidi; Chen, Jianmin
• Is Part Of: Tribology international. Volume 116(2017)
• Page Start: 164
• Page End: 171
• Publication Date: 2017-12
• Subjects: Environment friendly -- Hydrophilic PAI resin bonded solid lubricating coating -- Friction and wear -- Wear mechanism; Tribology -- Periodicals; 621.89
• DOI: 10.1016/j.triboint.2017.07.014
• Languages: English
• ISSNs: 0301-679X

Abstract

Abstract: The aims of this study are to prepare a new environment friendly hydrophilic polyamide imide (PAI) resin bonded molybdenum disulfide (MoS2 ) solid lubricating coating and investigate the tribological properties and wear mechanism. It is concluded that the preparation of hydrophilic coating has greatly reduced usage rates of fossil fuel, in the meantime, the basic physical and chemical properties, mechanical and tribological behaviors of hydrophilic coatings with 3 wt.% LaF3 are comparable to that of solvent-based resin coatings, the generation of FeF2 and FeS significantly improves the adherence between friction pairs, and the degree of oxidation of MoS2 lubricant is effectively restrained on account of the attachment of nano-LaF3 to the surface of MoS2 . Highlights: Hydrophilic PAI bonded solid lubricating coatings is an environment friendly solid lubricating material. The mechanical and tribological properties of hydrophilic coatings are comparable with that of solvent-based coating. The generation of FeF2 and FeS increases the cohesive strength between friction pairs. The addition of nano-LaF3 effectively weakens the extent of oxidation of MoS2 . The thickness of transfer film is about 84.6 nm.